Just after a bad breakup, Charlie MacKenzie falls for lovely butcher Harriet Michaels and introduces her to his parents. But, as voracious consumers of sensational tabloids, his parents soon come to suspect that Harriet is actually a notorious serial killer -- "Mrs. X" -- wanted in connection with a string of bizarre honeymoon killings. Thinking his parents foolish, Charlie proposes to Harriet. But while on his honeymoon with her, he begins to fear they were right.

This is the story of a young woman who was found dead. Now the police investigate, and evidence points to a man she was seen leaving a party with. Now when questioned, he claims that her death was accidental, as a result of rough sex. Now her family doesn't believe this, so they press the district attorney's office to try him for murder, but he has a good lawyer who plays his defense right down to putting the dead girl on trial.

Doing a documentary on New York's underground after hours clubs, a film school couple discovers a vampire who has his sights set on seducing the girl.